An organization composed of the wealthy and powerful.
These two points alone prove that they hold a substantial portion of resources.
Even if they can't compare to associations and consortiums that have gained early fame, they're definitely not a small organization like a local gang or cult.
Otherwise, the association wouldn't fear them infiltrating it, nor would Slyther seriously warn herself to stay away from them.
Given this.
Thinking back to Yazde, the Secret Cultivation Hall, and the content of their agreement, it's not difficult to guess.
They extended Yazde's life in exchange for his services as their internal informant, gathering intel, or directly assisting in accomplishing certain tasks.
As long as one becomes a team leader or steward, they could accomplish much.
Later on, when they invited Wu Heng to join, they likely had the same idea.
